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-rw-r--r--examples/network/securesocketclient/sslclient.cpp168
1 files changed, 89 insertions, 79 deletions
diff --git a/examples/network/securesocketclient/sslclient.cpp b/examples/network/securesocketclient/sslclient.cpp
index 46d1919fd0..afeec033ff 100644
--- a/examples/network/securesocketclient/sslclient.cpp
+++ b/examples/network/securesocketclient/sslclient.cpp
@@ -1,6 +1,6 @@
/****************************************************************************
**
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
@@ -50,29 +50,17 @@
#include "certificateinfo.h"
#include "sslclient.h"
+
#include "ui_sslclient.h"
#include "ui_sslerrors.h"
-#include <QtWidgets/QScrollBar>
-#include <QtWidgets/QStyle>
-#include <QtWidgets/QToolButton>
-#include <QtWidgets/QMessageBox>
-#include <QtNetwork/QSslCipher>
+#include <QtCore>
SslClient::SslClient(QWidget *parent)
- : QWidget(parent), socket(0), padLock(0), executingDialog(false)
+ : QWidget(parent)
{
- form = new Ui_Form;
- form->setupUi(this);
- form->hostNameEdit->setSelection(0, form->hostNameEdit->text().size());
- form->sessionOutput->setHtml(tr("&lt;not connected&gt;"));
-
- connect(form->hostNameEdit, SIGNAL(textChanged(QString)),
- this, SLOT(updateEnabledState()));
- connect(form->connectButton, SIGNAL(clicked()),
- this, SLOT(secureConnect()));
- connect(form->sendButton, SIGNAL(clicked()),
- this, SLOT(sendData()));
+ setupUi();
+ setupSecureSocket();
}
SslClient::~SslClient()
@@ -82,17 +70,15 @@ SslClient::~SslClient()
void SslClient::updateEnabledState()
{
- bool unconnected = !socket || socket->state() == QAbstractSocket::UnconnectedState;
-
+ const bool unconnected = socket->state() == QAbstractSocket::UnconnectedState;
form->hostNameEdit->setReadOnly(!unconnected);
form->hostNameEdit->setFocusPolicy(unconnected ? Qt::StrongFocus : Qt::NoFocus);
-
form->hostNameLabel->setEnabled(unconnected);
form->portBox->setEnabled(unconnected);
form->portLabel->setEnabled(unconnected);
form->connectButton->setEnabled(unconnected && !form->hostNameEdit->text().isEmpty());
- bool connected = socket && socket->state() == QAbstractSocket::ConnectedState;
+ const bool connected = socket->state() == QAbstractSocket::ConnectedState;
form->sessionOutput->setEnabled(connected);
form->sessionInput->setEnabled(connected);
form->sessionInputLabel->setEnabled(connected);
@@ -101,20 +87,6 @@ void SslClient::updateEnabledState()
void SslClient::secureConnect()
{
- if (!socket) {
- socket = new QSslSocket(this);
- connect(socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
- this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
- connect(socket, SIGNAL(encrypted()),
- this, SLOT(socketEncrypted()));
- connect(socket, SIGNAL(error(QAbstractSocket::SocketError)),
- this, SLOT(socketError(QAbstractSocket::SocketError)));
- connect(socket, SIGNAL(sslErrors(QList<QSslError>)),
- this, SLOT(sslErrors(QList<QSslError>)));
- connect(socket, SIGNAL(readyRead()),
- this, SLOT(socketReadyRead()));
- }
-
socket->connectToHostEncrypted(form->hostNameEdit->text(), form->portBox->value());
updateEnabledState();
}
@@ -125,20 +97,18 @@ void SslClient::socketStateChanged(QAbstractSocket::SocketState state)
return;
updateEnabledState();
+
if (state == QAbstractSocket::UnconnectedState) {
+ form->sessionInput->clear();
form->hostNameEdit->setPalette(QPalette());
form->hostNameEdit->setFocus();
form->cipherLabel->setText(tr("<none>"));
- if (padLock)
- padLock->hide();
+ padLock->hide();
}
}
void SslClient::socketEncrypted()
{
- if (!socket)
- return; // might have disconnected already
-
form->sessionOutput->clear();
form->sessionInput->setFocus();
@@ -146,36 +116,12 @@ void SslClient::socketEncrypted()
palette.setColor(QPalette::Base, QColor(255, 255, 192));
form->hostNameEdit->setPalette(palette);
- QSslCipher ciph = socket->sessionCipher();
- QString cipher = QString("%1, %2 (%3/%4)").arg(ciph.authenticationMethod())
- .arg(ciph.name()).arg(ciph.usedBits()).arg(ciph.supportedBits());;
- form->cipherLabel->setText(cipher);
-
- if (!padLock) {
- padLock = new QToolButton;
- padLock->setIcon(QIcon(":/encrypted.png"));
-#ifndef QT_NO_CURSOR
- padLock->setCursor(Qt::ArrowCursor);
-#endif
- padLock->setToolTip(tr("Display encryption details."));
-
- int extent = form->hostNameEdit->height() - 2;
- padLock->resize(extent, extent);
- padLock->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Ignored);
-
- QHBoxLayout *layout = new QHBoxLayout(form->hostNameEdit);
- layout->setMargin(form->hostNameEdit->style()->pixelMetric(QStyle::PM_DefaultFrameWidth));
- layout->setSpacing(0);
- layout->addStretch();
- layout->addWidget(padLock);
-
- form->hostNameEdit->setLayout(layout);
-
- connect(padLock, SIGNAL(clicked()),
- this, SLOT(displayCertificateInfo()));
- } else {
- padLock->show();
- }
+ const QSslCipher cipher = socket->sessionCipher();
+ const QString cipherInfo = QString("%1, %2 (%3/%4)").arg(cipher.authenticationMethod())
+ .arg(cipher.name()).arg(cipher.usedBits())
+ .arg(cipher.supportedBits());;
+ form->cipherLabel->setText(cipherInfo);
+ padLock->show();
}
void SslClient::socketReadyRead()
@@ -185,7 +131,7 @@ void SslClient::socketReadyRead()
void SslClient::sendData()
{
- QString input = form->sessionInput->text();
+ const QString input = form->sessionInput->text();
appendString(input + '\n');
socket->write(input.toUtf8() + "\r\n");
form->sessionInput->clear();
@@ -193,7 +139,12 @@ void SslClient::sendData()
void SslClient::socketError(QAbstractSocket::SocketError)
{
+ if (handlingSocketError)
+ return;
+
+ handlingSocketError = true;
QMessageBox::critical(this, tr("Connection error"), socket->errorString());
+ handlingSocketError = false;
}
void SslClient::sslErrors(const QList<QSslError> &errors)
@@ -201,10 +152,10 @@ void SslClient::sslErrors(const QList<QSslError> &errors)
QDialog errorDialog(this);
Ui_SslErrors ui;
ui.setupUi(&errorDialog);
- connect(ui.certificateChainButton, SIGNAL(clicked()),
- this, SLOT(displayCertificateInfo()));
+ connect(ui.certificateChainButton, &QPushButton::clicked,
+ this, &SslClient::displayCertificateInfo);
- foreach (const QSslError &error, errors)
+ for (const auto &error : errors)
ui.sslErrorList->addItem(error.errorString());
executingDialog = true;
@@ -219,10 +170,69 @@ void SslClient::sslErrors(const QList<QSslError> &errors)
void SslClient::displayCertificateInfo()
{
- CertificateInfo *info = new CertificateInfo(this);
- info->setCertificateChain(socket->peerCertificateChain());
- info->exec();
- info->deleteLater();
+ CertificateInfo info;
+ info.setCertificateChain(socket->peerCertificateChain());
+ info.exec();
+}
+
+void SslClient::setupUi()
+{
+ if (form)
+ return;
+
+ form = new Ui_Form;
+ form->setupUi(this);
+ form->hostNameEdit->setSelection(0, form->hostNameEdit->text().size());
+ form->sessionOutput->setHtml(tr("&lt;not connected&gt;"));
+
+ connect(form->hostNameEdit, SIGNAL(textChanged(QString)),
+ this, SLOT(updateEnabledState()));
+ connect(form->connectButton, SIGNAL(clicked()),
+ this, SLOT(secureConnect()));
+ connect(form->sendButton, SIGNAL(clicked()),
+ this, SLOT(sendData()));
+
+ padLock = new QToolButton;
+ padLock->setIcon(QIcon(":/encrypted.png"));
+ connect(padLock, SIGNAL(clicked()), this, SLOT(displayCertificateInfo()));
+
+#if QT_CONFIG(cursor)
+ padLock->setCursor(Qt::ArrowCursor);
+#endif
+ padLock->setToolTip(tr("Display encryption details."));
+
+ const int extent = form->hostNameEdit->height() - 2;
+ padLock->resize(extent, extent);
+ padLock->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Ignored);
+
+ QHBoxLayout *layout = new QHBoxLayout(form->hostNameEdit);
+ layout->setMargin(form->hostNameEdit->style()->pixelMetric(QStyle::PM_DefaultFrameWidth));
+ layout->setSpacing(0);
+ layout->addStretch();
+ layout->addWidget(padLock);
+
+ form->hostNameEdit->setLayout(layout);
+ padLock->hide();
+}
+
+void SslClient::setupSecureSocket()
+{
+ if (socket)
+ return;
+
+ socket = new QSslSocket(this);
+
+ connect(socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
+ this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
+ connect(socket, SIGNAL(encrypted()),
+ this, SLOT(socketEncrypted()));
+ connect(socket, SIGNAL(error(QAbstractSocket::SocketError)),
+ this, SLOT(socketError(QAbstractSocket::SocketError)));
+ connect(socket, SIGNAL(sslErrors(QList<QSslError>)),
+ this, SLOT(sslErrors(QList<QSslError>)));
+ connect(socket, SIGNAL(readyRead()),
+ this, SLOT(socketReadyRead()));
+
}
void SslClient::appendString(const QString &line)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 15:44:49 +0000